BB3 / BB9 Series Multi-Drop Breakout Box
Easily connect, monitor & control up to nine mass flow, liquid flow or pressure instruments to a single computer or programmable logic controller (PLC)
Alicat Scientific’s BB3 and BB9 series of multi-drop breakout boxes makes building your local flow control network easy. Control up to nine (9) Alicat flow or pressure instruments from a single computer or programmable logic controller (PLC) connection. Breakout boxes also distribute power to all connected devices from a single power source. Each BB3 and BB9 is built into a light yet rugged composite chassis that can be mounted in any orientation via its 3/16 in diameter mounting holes.
There are two BB9 models, the BB9 for RS-232 and the BB9 for RS-485. There is one BB3 model, the BB3 for RS-232, and is available in a kit. For more information on choosing the correct model, continue reading below.
Choosing the correct breakout box:
• Order a BB9-232 if your Alicat instruments are equipped with our standard 8-pin mini-DIN connector. Use double-ended DC-62RS cables to connect your instruments to the BB9.
• Order a BB9-I-232 if your Alicat instruments are equipped with our 6-pin locking industrial connector. Use double-ended IC102 cables to connect your instruments to the BB9.
• Order a BB9-485 if your Alicat instruments are equipped with our standard 8-pin mini-DIN connector. Use double-ended DC-62RS cables to connect your instruments to the BB9.
• Order a BB9-I-485 if your Alicat instruments are equipped with our 6-pin locking industrial connector. Use double-ended IC102 cables to connect your instruments to the BB9.
• Order a BB3-232 if your Alicat instruments are equipped with our standard 8-pin mini-DIN connector. Use double-ended DC-62RS cables to connect your instruments to the BB3.
• Order a BB3-I-232 if your Alicat instruments are equipped with our 6-pin locking industrial connector. Use double-ended IC102 cables to connect your instruments to the BB3.
• Compatible with instruments that have 8-pin mini-DIN or 6-pin locking industrial connectors
• Communicate with all devices digitally via a single USB or serial cable
• Distribute power to all devices with a single power source
• Multiple breakout boxes can be daisy-chained to control up to 26 instruments








